Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361184 | Lighting device convertible between reading light and flashlight configurations and having separate light actuating switches | Bjarki Hallgrimsson, Sarah Dobbin, Peter Altman | 2002-03-26 |
| 6213618 | Lighting device convertible between reading light and pen light configurations and having single light actuating switch | Sarah Dobbin, Bjarki Hallgrimsson, Peter Altman | 2001-04-10 |
| 5111115 | Fluorescent lamp controller | Donald R. Ensor | 1992-05-05 |
| 4763239 | Switched mode power supplies | — | 1988-08-09 |
| 4722040 | Self-resonant inverter circuit | — | 1988-01-26 |